Create CompoundBorder with LineBorder in Java

/*from w  w w .ja v  a  2  s .c o  m*/
import java.awt.Color;
import java.awt.Container;
import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.LineBorder;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Compound Borders");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    
    Border lineBorder = LineBorder.createBlackLineBorder();
    Border bevelBorder = BorderFactory.createRaisedBevelBorder();
    Border bevelLineBorder = new CompoundBorder(bevelBorder, lineBorder);
    JButton bevelLineButton = new JButton("Bevel Line");
    bevelLineButton.setBorder(bevelLineBorder);
    Border redBorder = BorderFactory.createLineBorder(Color.MAGENTA, 2);
    Border orangeBorder = BorderFactory.createLineBorder(Color.BLUE, 2);
    Border yellowBorder = BorderFactory.createLineBorder(Color.YELLOW, 5);
    Border greenBorder = BorderFactory.createLineBorder(Color.GREEN, 2);
    Border blueBorder = BorderFactory.createLineBorder(Color.ORANGE, 4);
    Border magentaBorder = BorderFactory.createLineBorder(Color.RED, 3);
    Border twoColorBorder = new CompoundBorder(magentaBorder, blueBorder);
    Border threeColorBorder = new CompoundBorder(twoColorBorder, greenBorder);
    Border fourColorBorder = new CompoundBorder(threeColorBorder, yellowBorder);
    Border fiveColorBorder = new CompoundBorder(fourColorBorder, orangeBorder);
    Border sixColorBorder = new CompoundBorder(fiveColorBorder, redBorder);
    JButton rainbowButton = new JButton("Rainbow");
    rainbowButton.setBorder(sixColorBorder);
    
    Container contentPane = frame.getContentPane();
    contentPane.setLayout(new GridLayout(1, 2));
    contentPane.add(bevelLineButton);
    contentPane.add(rainbowButton);
    frame.setSize(300, 100);
    frame.setVisible(true);
  }
}